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7.2
Calibration
This product does not require scheduled calibration. However, if you are operating under
requirements
Manufacturing Practices, contact your Branson Metal Welding representative for additional
information.
7.2.1
Encoder Board Calibration
To be performed when either the encoder or actuator board is replaced.
Encoder board calibration is factory set and generally does not need to be changed. Any
calibration required due to tool wear or adjustment is built into the controller software and
may be accomplished using touchscreen commands (refer to the Touchscreen Controller
Instruction Set). If a new encoder board is installed it will be necessary to calibrate Height
as follows.
Figure 7.3
HGT SPAN
HGT ZERO
7.2.1.1
Height Zero and Span Adjustment
1. From the Controller Maintenance Screen, enter the Height Calibration Screen.
2. Press HORN button to lower the horn.
3. Remove the top cover from the actuator and locate the actuator board.
4. Read voltage that is displayed on controller screen.
5. Voltage should read between +2 to +5 millivolts DC. If not, adjust the HGT ZERO (R22)
potentiometer (see
must be positive).
6. From the Controller Maintenance Screen, raise the horn (press HORN button).
7. Turn the HGT SPAN (R40) potentiometer (see
voltage on the screen, then turn the potentiometer to lower the voltage until the voltage on the
screen starts to come back down (the voltage should come down a maximum of 5 mV from the
maximum attained voltage).
DCM00051 REV. 10
that
mandate
periodic
Encoder Board Calibration
Figure
7.3) until the voltmeter reads between +2 to +5 millivolts DC (voltage
calibration,
for
example,
Center pin on connector for
Height voltage calibration
Figure
7.3) to achieve the maximum possible
the
FDA's
Good
65
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